The evolutionary trend of bipedalism refers to the:
a. walking that involves supporting weight on knuckles
b. the ability to habitually walk on two feet
c. use of two hands to swing through the trees as monkeys do
d. development of a prehensile hand
e. use of feet as well as hands for grasping
b
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Which cell is NOT involved with the defense response?
a. erythrocytes b. neutrophils c. lymphocytes d. eosinophils e. monocytes
What controls circadian rhythms, and which environment sets this clock?
a. an internal clock; an external environment b. an artificial clock; a natural environment c. an external clock; an internal environment d. a natural clock; an artificial environment
The adrenal hormone, aldosterone, regulates kidney function by
A. stimulating active reabsorption of sodium, decreasing its excretion. B. increasing the permeability of the collecting duct to salt. C. increasing the permeability of the collecting duct to urea. D. triggering a sensation of thirst. E. reducing the blood flow to the kidney.
Iskander wants to live as long as his great-grandfather, who died at 104, strong and healthy almost to the last. What are some things that could make a difference for his pathway to good health and long life?
What will be an ideal response?